Help with planning an automated curtain set

Hi all, I was looking for a curtain controller I could use with my home automation system and I didn’t see anything below $500. I came across this design (https://learn.adafruit.com/bluetooth-motorized-camera-slider) and figured I could place a similar bar above my curtain rod and use that. Im not sure I would use the Arduino but I may. My initial question is that they are using a stepper motor. Wouldn’t a servo be a better fit? Thanks in advance!

submitted by /u/CheCerveza
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